Fixed missing initialization of idPack and missionPack variables which may result in failure to autodownload files from the server even if legitimate.

code/server/sv_client.c

@@ -756,7 +756,7 @@ void SV_WriteDownloadToClient( client_t *cl , msg_t *msg )
 	int curindex;
 	int rate;
 	int blockspersnap;
-	int idPack, missionPack, unreferenced = 1;
+	int idPack = 0, missionPack = 0, unreferenced = 1;
 	char errorMessage[1024];
 	char pakbuf[MAX_QPATH], *pakptr;
 	int numRefPaks;